S-90383A105 M4 x 5 mm DIN 921 Steel Pan Head Slotted Screws
Steel Pan Head Slotted Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Exceptional mechanical strength with 60,000 psi tensile strength and Rockwell B71 hardness for reliable load-bearing performance
- Optimized installation efficiency with standard slotted drive and wide pan head design for easy tool access and secure fastening
- Precision thread engagement with Class 6h fit and coarse 0.7mm pitch ensuring consistent, vibration-resistant connections
- Full-threaded design providing maximum grip length and uniform stress distribution across the entire fastener
- Industry-standard compliance meeting DIN 921 specifications for guaranteed dimensional accuracy and interchangeability
- Environmental responsibility with RoHS 3 and REACH compliance for safe use in regulated applications
Professional Applications & Engineering Value
These M4 pan head slotted screws deliver critical performance advantages in industrial assembly where corrosion resistance and mechanical reliability are paramount. The zinc-plated steel construction provides essential protection against environmental degradation, while the fully threaded metric design ensures maximum holding power in thin materials and tight spaces. The coarse 0.7mm pitch threading with Class 6h tolerance enables rapid installation with reduced cross-threading risk, making them ideal for high-volume production environments. The wide pan head distributes clamping force effectively, preventing surface damage in electronic enclosures, machinery panels, and automotive components where vibration resistance and DIN 921 compliance are required for quality assurance.
Specification Summary & Compliance
This metric screw features precise M4 x 0.7mm coarse threading with Class 6h thread fit tolerance according to ISO standards. Manufacturing strictly adheres to DIN 921 specifications for dimensional accuracy of the pan head profile and slotted drive geometry. The fastener is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, ensuring suitability for global industrial supply chains and environmentally conscious manufacturing operations.
